A 500 g ball swings in a vertical circle at the end of a1.5-m-long string. When the ball is at the bottom of the circle,the tension in the string is 15 N. What is the speed of the ball at that point?

beljuA 2021-01-08 Answered
A 500 g ball swings in a vertical circle at the end of a1.5-m-long string. When the ball is at the bottom of the circle,the tension in the string is 15 N.
What is the speed of the ball at that point?
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Expert Answer

Layton
Answered 2021-01-09 Author has 89 answers
Given that
The mass of the ball(m)=500g
=500103 kg
The radius of the string is(r)=1.5m
The tension in the string is(T)=15N
The acceleration due to gravity is (g)=9.8 ms2
The tension in the string when the body is at the bottom is given by
T=mv2r+mg
now substitute all the values in the above you get the required answer.
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